Arlington, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arlington, a city in Snohomish County, Washington.
Overnight
51°F
Clear
Clear, with a low around 51. West northwest wind around 2 mph.
7-day forecast for Arlington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Clear | 2 mph WNW | 0% |
| Tuesday | 86°F | Sunny then Patchy Smoke | 1 to 9 mph WNW | 0% |
| Tuesday Night | 55°F | Patchy Smoke then Mostly Clear | 1 to 8 mph NW | 0% |
| Wednesday | 89°F | Patchy Smoke | 1 to 7 mph WNW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 2 to 7 mph N | 0% |
| Thursday | 90°F | Sunny | 1 to 7 mph NW | 0% |
| Thursday Night | 59°F | Mostly Clear | 1 to 7 mph N | 0% |
| Friday | 86°F | Sunny | 1 to 7 mph SW | 0% |
| Friday Night | 57°F | Mostly Clear | 1 to 7 mph NNW | 0% |
| Saturday | 80°F | Sunny | 1 to 9 mph NW | 0% |
| Saturday Night | 54°F | Mostly Clear | 1 to 9 mph NNW | 0% |
| Sunday | 78°F | Mostly Sunny | 1 to 7 mph W | 0% |
| Sunday Night | 53°F | Mostly Clear | 1 to 7 mph NNW | 1% |
| Monday | 78°F | Mostly Sunny | 0 to 7 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Arlington (48.170, -122.145). Updated through the day.
Growing snapshot for Arlington
Last spring frost
Mar 24
First fall frost
Nov 2
Growing season
223 days
Hardiness zone
8b
More local growing data for Arlington: nearby ZIP 98270 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Alderwood Manor
Arlington Heights
Bothell East
Bothell West
Brier
Bunk Foss
Canyon Creek
Cathcart
Cavalero
Chain Lake
Clearview
Darrington
Eastmont
Edmonds
Esperance
Everett
Fobes Hill
Gold Bar
Granite Falls
Hat Island
Kayak Point
Lake Bosworth
Lake Cassidy
Lake Cavanaugh
Lake Goodwin
Lake Roesiger
Lake Stevens
Lake Stickney
Larch Way
Lochsloy
Climate data from the nearest NOAA station, Everett, Wa (6 mi from Arlington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.